CVE-2020-8994

CVSS V2 High 7.2 CVSS V3 Medium 6.8
Description
An issue was discovered on XIAOMI AI speaker MDZ-25-DT 1.34.36, and 1.40.14. Attackers can get root shell by accessing the UART interface and then they can read Wi-Fi SSID or password, read the dialogue text files between users and XIAOMI AI speaker, use Text-To-Speech tools pretend XIAOMI speakers' voice achieve social engineering attacks, eavesdrop on users and record what XIAOMI AI speaker hears, delete the entire XIAOMI AI speaker system, modify system files, stop voice assistant service, start the XIAOMI AI speaker’s SSH service as a backdoor
Overview
  • CVE ID
  • CVE-2020-8994
  • Assigner
  • cve@mitre.org
  • Vulnerability Status
  • Analyzed
  • Published Version
  • 2020-03-05T16:15:12
  • Last Modified Date
  • 2021-07-21T11:39:23
Weakness Enumerations
CWE URL
CWE-287 http://cwe.mitre.org/data/definitions/287.html
CPE Configuration (Product)
CPE Vulnerable Operator Version Start Version End
AND
cpe:2.3:o:mi:mdz-25-dt_firmware:1.34.36:*:*:*:*:*:*:* 1 OR
cpe:2.3:o:mi:mdz-25-dt_firmware:1.40.14:*:*:*:*:*:*:* 1 OR
cpe:2.3:h:mi:mdz-25-dt:-:*:*:*:*:*:*:* 0 OR
CVSS Version 2
  • Version
  • 2.0
  • Vector String
  • AV:L/AC:L/Au:N/C:C/I:C/A:C
  • Access Vector
  • LOCAL
  • Access Compatibility
  • LOW
  • Authentication
  • NONE
  • Confidentiality Impact
  • COMPLETE
  • Integrity Impact
  • COMPLETE
  • Availability Impact
  • COMPLETE
  • Base Score
  • 7.2
  • Severity
  • HIGH
  • Exploitability Score
  • 3.9
  • Impact Score
  • 10
CVSS Version 3
  • Version
  • 3.1
  • Vector String
  • CVSS:3.1/AV:P/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
  • Attack Vector
  • PHYSICAL
  • Attack Compatibility
  • LOW
  • Privileges Required
  • NONE
  • User Interaction
  • NONE
  • Scope
  • UNCHANGED
  • Confidentiality Impact
  • HIGH
  • Availability Impact
  • HIGH
  • Base Score
  • 6.8
  • Base Severity
  • MEDIUM
  • Exploitability Score
  • 0.9
  • Impact Score
  • 5.9
References
Reference URL Reference Tags
https://youtu.be/yCadG38yZW8 Exploit Third Party Advisory
https://www.usenix.org/sites/default/files/soups2018posters-lau.pdf Technical Description Third Party Advisory
https://github.com/Jian-Xian/CVE-POC/blob/master/CVE-2020-8994.md Exploit Third Party Advisory
Sources
Source Name Source URL
NIST https://nvd.nist.gov/vuln/detail/CVE-2020-8994
MITRE https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2020-8994
History
Created Old Value New Value Data Type Notes
2022-05-10 07:05:57 Added to TrackCVE
2022-12-04 12:08:53 2020-03-05T16:15Z 2020-03-05T16:15:12 CVE Published Date updated
2022-12-04 12:08:53 2021-07-21T11:39:23 CVE Modified Date updated
2022-12-04 12:08:53 Analyzed Vulnerability Status updated